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Finding the Fourth Proportional to 202,508.60, 303,762.90 and 165,110.90

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Solution

The fourth proportional to 202,508.60, 303,762.90 and 165,110.90 is: 247,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,508.60 : 303,762.90 = 165,110.90 : x
  2. Step 2: Convert to fraction form
    202,508.60/303,762.90 = 165,110.90/x
  3. Step 3: Cross multiply
    202,508.60x = 303,762.90 × 165,110.90
  4. Step 4: Simplify right side
    202,508.60x = 50,154,565,805.61
  5. Step 5: Solve for x
    x = 50,154,565,805.61/202,508.60
  6. Step 6: Final answer
    x = 247,666.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.